Headphone



FIG. 1 is a perspective view of a headphone, showing a right-handed version;

FIG. 2 is an interior perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an interior side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of another embodiment of the headphone, showing a left-handed version;

FIG. 10 is an interior perspective view thereof;

FIG. 11 is a side elevational view thereof;

FIG. 12 is an interior side elevational view thereof;

FIG. 13 is a rear elevational view thereof;

FIG. 14 is a front elevational view thereof;

FIG. 15 is a top plan view thereof; and,

FIG. 16 is a bottom plan view thereof.

The broken line showings form no part of the claimed design. 

CLAIM The ornamental design for a headphone, as shown and described. 